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positive drive lift
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positive drive lift
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电梯
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positive drive lift
强制驱动电梯
用链或钢丝绳悬吊的非摩擦方式驱动的电梯。这类电梯属于早期的电梯类型,已很少应用,仅在杂物电梯等中使用。不能使用对重,可使用平衡重。
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更新时间:2025/7/4 2:29:56